[805] | 1 | // |
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| 2 | // C++ Implementation: Scantable |
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| 3 | // |
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| 4 | // Description: |
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| 5 | // |
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| 6 | // |
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| 7 | // Author: Malte Marquarding <asap@atnf.csiro.au>, (C) 2005 |
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| 8 | // |
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| 9 | // Copyright: See COPYING file that comes with this distribution |
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| 10 | // |
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| 11 | // |
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[206] | 12 | #include <map> |
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[1446] | 13 | #include <fstream> |
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[206] | 14 | |
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[125] | 15 | #include <casa/aips.h> |
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[80] | 16 | #include <casa/iostream.h> |
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| 17 | #include <casa/iomanip.h> |
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[805] | 18 | #include <casa/OS/Path.h> |
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| 19 | #include <casa/OS/File.h> |
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[80] | 20 | #include <casa/Arrays/Array.h> |
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| 21 | #include <casa/Arrays/ArrayMath.h> |
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| 22 | #include <casa/Arrays/MaskArrMath.h> |
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| 23 | #include <casa/Arrays/ArrayLogical.h> |
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| 24 | #include <casa/Arrays/ArrayAccessor.h> |
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[1325] | 25 | #include <casa/Arrays/Vector.h> |
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[455] | 26 | #include <casa/Arrays/VectorSTLIterator.h> |
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[1446] | 27 | #include <casa/Arrays/Slice.h> |
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[418] | 28 | #include <casa/BasicMath/Math.h> |
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[504] | 29 | #include <casa/BasicSL/Constants.h> |
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[286] | 30 | #include <casa/Quanta/MVAngle.h> |
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[805] | 31 | #include <casa/Containers/RecordField.h> |
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[902] | 32 | #include <casa/Utilities/GenSort.h> |
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[2] | 33 | |
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[80] | 34 | #include <tables/Tables/TableParse.h> |
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| 35 | #include <tables/Tables/TableDesc.h> |
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[488] | 36 | #include <tables/Tables/TableCopy.h> |
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[80] | 37 | #include <tables/Tables/SetupNewTab.h> |
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| 38 | #include <tables/Tables/ScaColDesc.h> |
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| 39 | #include <tables/Tables/ArrColDesc.h> |
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[805] | 40 | #include <tables/Tables/TableRow.h> |
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| 41 | #include <tables/Tables/TableVector.h> |
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| 42 | #include <tables/Tables/TableIter.h> |
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[2] | 43 | |
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[80] | 44 | #include <tables/Tables/ExprNode.h> |
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| 45 | #include <tables/Tables/TableRecord.h> |
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[1325] | 46 | #include <casa/Quanta/MVTime.h> |
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| 47 | #include <casa/Quanta/MVAngle.h> |
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| 48 | #include <measures/Measures/MeasRef.h> |
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| 49 | #include <measures/Measures/MeasTable.h> |
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| 50 | // needed to avoid error in .tcc |
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| 51 | #include <measures/Measures/MCDirection.h> |
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| 52 | // |
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| 53 | #include <measures/Measures/MDirection.h> |
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[80] | 54 | #include <measures/Measures/MFrequency.h> |
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[805] | 55 | #include <measures/Measures/MEpoch.h> |
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| 56 | #include <measures/TableMeasures/TableMeasRefDesc.h> |
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| 57 | #include <measures/TableMeasures/TableMeasValueDesc.h> |
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| 58 | #include <measures/TableMeasures/TableMeasDesc.h> |
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| 59 | #include <measures/TableMeasures/ScalarMeasColumn.h> |
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[105] | 60 | #include <coordinates/Coordinates/CoordinateUtil.h> |
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[2] | 61 | |
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[805] | 62 | #include "Scantable.h" |
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[896] | 63 | #include "STPolLinear.h" |
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[1189] | 64 | #include "STPolCircular.h" |
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[913] | 65 | #include "STPolStokes.h" |
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[878] | 66 | #include "STAttr.h" |
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[902] | 67 | #include "MathUtils.h" |
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[2] | 68 | |
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[125] | 69 | using namespace casa; |
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[2] | 70 | |
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[805] | 71 | namespace asap { |
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| 72 | |
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[896] | 73 | std::map<std::string, STPol::STPolFactory *> Scantable::factories_; |
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| 74 | |
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| 75 | void Scantable::initFactories() { |
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| 76 | if ( factories_.empty() ) { |
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| 77 | Scantable::factories_["linear"] = &STPolLinear::myFactory; |
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[1323] | 78 | Scantable::factories_["circular"] = &STPolCircular::myFactory; |
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[913] | 79 | Scantable::factories_["stokes"] = &STPolStokes::myFactory; |
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[896] | 80 | } |
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| 81 | } |
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| 82 | |
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[805] | 83 | Scantable::Scantable(Table::TableType ttype) : |
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[852] | 84 | type_(ttype) |
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[206] | 85 | { |
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[896] | 86 | initFactories(); |
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[805] | 87 | setupMainTable(); |
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[852] | 88 | freqTable_ = STFrequencies(*this); |
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[805] | 89 | table_.rwKeywordSet().defineTable("FREQUENCIES", freqTable_.table()); |
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[852] | 90 | weatherTable_ = STWeather(*this); |
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[805] | 91 | table_.rwKeywordSet().defineTable("WEATHER", weatherTable_.table()); |
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[852] | 92 | focusTable_ = STFocus(*this); |
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[805] | 93 | table_.rwKeywordSet().defineTable("FOCUS", focusTable_.table()); |
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[852] | 94 | tcalTable_ = STTcal(*this); |
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[805] | 95 | table_.rwKeywordSet().defineTable("TCAL", tcalTable_.table()); |
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[852] | 96 | moleculeTable_ = STMolecules(*this); |
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[805] | 97 | table_.rwKeywordSet().defineTable("MOLECULES", moleculeTable_.table()); |
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[860] | 98 | historyTable_ = STHistory(*this); |
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| 99 | table_.rwKeywordSet().defineTable("HISTORY", historyTable_.table()); |
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[959] | 100 | fitTable_ = STFit(*this); |
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| 101 | table_.rwKeywordSet().defineTable("FIT", fitTable_.table()); |
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[805] | 102 | originalTable_ = table_; |
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[322] | 103 | attach(); |
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[18] | 104 | } |
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[206] | 105 | |
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[805] | 106 | Scantable::Scantable(const std::string& name, Table::TableType ttype) : |
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[852] | 107 | type_(ttype) |
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[206] | 108 | { |
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[896] | 109 | initFactories(); |
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[865] | 110 | Table tab(name, Table::Update); |
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[1009] | 111 | uInt version = tab.keywordSet().asuInt("VERSION"); |
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[483] | 112 | if (version != version_) { |
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| 113 | throw(AipsError("Unsupported version of ASAP file.")); |
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| 114 | } |
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[1009] | 115 | if ( type_ == Table::Memory ) { |
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[852] | 116 | table_ = tab.copyToMemoryTable(generateName()); |
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[1009] | 117 | } else { |
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[805] | 118 | table_ = tab; |
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[1009] | 119 | } |
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| 120 | |
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[859] | 121 | attachSubtables(); |
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[805] | 122 | originalTable_ = table_; |
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[329] | 123 | attach(); |
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[2] | 124 | } |
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| 125 | |
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[805] | 126 | Scantable::Scantable( const Scantable& other, bool clear ) |
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[206] | 127 | { |
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[805] | 128 | // with or without data |
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[859] | 129 | String newname = String(generateName()); |
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[865] | 130 | type_ = other.table_.tableType(); |
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[859] | 131 | if ( other.table_.tableType() == Table::Memory ) { |
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| 132 | if ( clear ) { |
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| 133 | table_ = TableCopy::makeEmptyMemoryTable(newname, |
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| 134 | other.table_, True); |
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| 135 | } else |
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| 136 | table_ = other.table_.copyToMemoryTable(newname); |
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[16] | 137 | } else { |
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[915] | 138 | other.table_.deepCopy(newname, Table::New, False, |
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| 139 | other.table_.endianFormat(), |
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[865] | 140 | Bool(clear)); |
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| 141 | table_ = Table(newname, Table::Update); |
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| 142 | table_.markForDelete(); |
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| 143 | } |
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[1111] | 144 | /// @todo reindex SCANNO, recompute nbeam, nif, npol |
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[915] | 145 | if ( clear ) copySubtables(other); |
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[859] | 146 | attachSubtables(); |
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[805] | 147 | originalTable_ = table_; |
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[322] | 148 | attach(); |
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[2] | 149 | } |
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| 150 | |
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[865] | 151 | void Scantable::copySubtables(const Scantable& other) { |
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| 152 | Table t = table_.rwKeywordSet().asTable("FREQUENCIES"); |
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| 153 | TableCopy::copyRows(t, other.freqTable_.table()); |
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| 154 | t = table_.rwKeywordSet().asTable("FOCUS"); |
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| 155 | TableCopy::copyRows(t, other.focusTable_.table()); |
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| 156 | t = table_.rwKeywordSet().asTable("WEATHER"); |
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| 157 | TableCopy::copyRows(t, other.weatherTable_.table()); |
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| 158 | t = table_.rwKeywordSet().asTable("TCAL"); |
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| 159 | TableCopy::copyRows(t, other.tcalTable_.table()); |
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| 160 | t = table_.rwKeywordSet().asTable("MOLECULES"); |
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| 161 | TableCopy::copyRows(t, other.moleculeTable_.table()); |
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| 162 | t = table_.rwKeywordSet().asTable("HISTORY"); |
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| 163 | TableCopy::copyRows(t, other.historyTable_.table()); |
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[972] | 164 | t = table_.rwKeywordSet().asTable("FIT"); |
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| 165 | TableCopy::copyRows(t, other.fitTable_.table()); |
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[865] | 166 | } |
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| 167 | |
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[859] | 168 | void Scantable::attachSubtables() |
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| 169 | { |
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| 170 | freqTable_ = STFrequencies(table_); |
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| 171 | focusTable_ = STFocus(table_); |
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| 172 | weatherTable_ = STWeather(table_); |
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| 173 | tcalTable_ = STTcal(table_); |
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| 174 | moleculeTable_ = STMolecules(table_); |
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[860] | 175 | historyTable_ = STHistory(table_); |
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[972] | 176 | fitTable_ = STFit(table_); |
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[859] | 177 | } |
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| 178 | |
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[805] | 179 | Scantable::~Scantable() |
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[206] | 180 | { |
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[941] | 181 | //cout << "~Scantable() " << this << endl; |
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[2] | 182 | } |
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| 183 | |
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[805] | 184 | void Scantable::setupMainTable() |
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[206] | 185 | { |
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[805] | 186 | TableDesc td("", "1", TableDesc::Scratch); |
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| 187 | td.comment() = "An ASAP Scantable"; |
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[1009] | 188 | td.rwKeywordSet().define("VERSION", uInt(version_)); |
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[2] | 189 | |
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[805] | 190 | // n Cycles |
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| 191 | td.addColumn(ScalarColumnDesc<uInt>("SCANNO")); |
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| 192 | // new index every nBeam x nIF x nPol |
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| 193 | td.addColumn(ScalarColumnDesc<uInt>("CYCLENO")); |
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[2] | 194 | |
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[805] | 195 | td.addColumn(ScalarColumnDesc<uInt>("BEAMNO")); |
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| 196 | td.addColumn(ScalarColumnDesc<uInt>("IFNO")); |
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[972] | 197 | // linear, circular, stokes |
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[805] | 198 | td.rwKeywordSet().define("POLTYPE", String("linear")); |
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| 199 | td.addColumn(ScalarColumnDesc<uInt>("POLNO")); |
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[138] | 200 | |
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[805] | 201 | td.addColumn(ScalarColumnDesc<uInt>("FREQ_ID")); |
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| 202 | td.addColumn(ScalarColumnDesc<uInt>("MOLECULE_ID")); |
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| 203 | td.addColumn(ScalarColumnDesc<Int>("REFBEAMNO")); |
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[80] | 204 | |
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[805] | 205 | td.addColumn(ScalarColumnDesc<Double>("TIME")); |
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| 206 | TableMeasRefDesc measRef(MEpoch::UTC); // UTC as default |
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| 207 | TableMeasValueDesc measVal(td, "TIME"); |
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| 208 | TableMeasDesc<MEpoch> mepochCol(measVal, measRef); |
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| 209 | mepochCol.write(td); |
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[483] | 210 | |
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[805] | 211 | td.addColumn(ScalarColumnDesc<Double>("INTERVAL")); |
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| 212 | |
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[2] | 213 | td.addColumn(ScalarColumnDesc<String>("SRCNAME")); |
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[805] | 214 | // Type of source (on=0, off=1, other=-1) |
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[1603] | 215 | ScalarColumnDesc<Int> stypeColumn("SRCTYPE"); |
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| 216 | stypeColumn.setDefault(Int(-1)); |
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| 217 | td.addColumn(stypeColumn); |
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[805] | 218 | td.addColumn(ScalarColumnDesc<String>("FIELDNAME")); |
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| 219 | |
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| 220 | //The actual Data Vectors |
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[2] | 221 | td.addColumn(ArrayColumnDesc<Float>("SPECTRA")); |
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| 222 | td.addColumn(ArrayColumnDesc<uChar>("FLAGTRA")); |
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[89] | 223 | td.addColumn(ArrayColumnDesc<Float>("TSYS")); |
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[805] | 224 | |
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| 225 | td.addColumn(ArrayColumnDesc<Double>("DIRECTION", |
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| 226 | IPosition(1,2), |
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| 227 | ColumnDesc::Direct)); |
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| 228 | TableMeasRefDesc mdirRef(MDirection::J2000); // default |
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| 229 | TableMeasValueDesc tmvdMDir(td, "DIRECTION"); |
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| 230 | // the TableMeasDesc gives the column a type |
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| 231 | TableMeasDesc<MDirection> mdirCol(tmvdMDir, mdirRef); |
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[987] | 232 | // a uder set table type e.g. GALCTIC, B1950 ... |
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| 233 | td.rwKeywordSet().define("DIRECTIONREF", String("J2000")); |
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[805] | 234 | // writing create the measure column |
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| 235 | mdirCol.write(td); |
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[923] | 236 | td.addColumn(ScalarColumnDesc<Float>("AZIMUTH")); |
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| 237 | td.addColumn(ScalarColumnDesc<Float>("ELEVATION")); |
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[105] | 238 | td.addColumn(ScalarColumnDesc<Float>("PARANGLE")); |
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[1047] | 239 | td.addColumn(ScalarColumnDesc<Float>("OPACITY")); |
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[105] | 240 | |
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[805] | 241 | td.addColumn(ScalarColumnDesc<uInt>("TCAL_ID")); |
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[972] | 242 | ScalarColumnDesc<Int> fitColumn("FIT_ID"); |
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[973] | 243 | fitColumn.setDefault(Int(-1)); |
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[972] | 244 | td.addColumn(fitColumn); |
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[805] | 245 | |
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| 246 | td.addColumn(ScalarColumnDesc<uInt>("FOCUS_ID")); |
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| 247 | td.addColumn(ScalarColumnDesc<uInt>("WEATHER_ID")); |
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| 248 | |
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[999] | 249 | // columns which just get dragged along, as they aren't used in asap |
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| 250 | td.addColumn(ScalarColumnDesc<Double>("SRCVELOCITY")); |
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| 251 | td.addColumn(ArrayColumnDesc<Double>("SRCPROPERMOTION")); |
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| 252 | td.addColumn(ArrayColumnDesc<Double>("SRCDIRECTION")); |
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| 253 | td.addColumn(ArrayColumnDesc<Double>("SCANRATE")); |
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| 254 | |
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[805] | 255 | td.rwKeywordSet().define("OBSMODE", String("")); |
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| 256 | |
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[418] | 257 | // Now create Table SetUp from the description. |
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[859] | 258 | SetupNewTable aNewTab(generateName(), td, Table::Scratch); |
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[852] | 259 | table_ = Table(aNewTab, type_, 0); |
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[805] | 260 | originalTable_ = table_; |
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| 261 | } |
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[418] | 262 | |
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[455] | 263 | |
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[805] | 264 | void Scantable::attach() |
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[455] | 265 | { |
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[805] | 266 | timeCol_.attach(table_, "TIME"); |
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| 267 | srcnCol_.attach(table_, "SRCNAME"); |
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[1068] | 268 | srctCol_.attach(table_, "SRCTYPE"); |
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[805] | 269 | specCol_.attach(table_, "SPECTRA"); |
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| 270 | flagsCol_.attach(table_, "FLAGTRA"); |
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[865] | 271 | tsysCol_.attach(table_, "TSYS"); |
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[805] | 272 | cycleCol_.attach(table_,"CYCLENO"); |
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| 273 | scanCol_.attach(table_, "SCANNO"); |
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| 274 | beamCol_.attach(table_, "BEAMNO"); |
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[847] | 275 | ifCol_.attach(table_, "IFNO"); |
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| 276 | polCol_.attach(table_, "POLNO"); |
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[805] | 277 | integrCol_.attach(table_, "INTERVAL"); |
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| 278 | azCol_.attach(table_, "AZIMUTH"); |
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| 279 | elCol_.attach(table_, "ELEVATION"); |
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| 280 | dirCol_.attach(table_, "DIRECTION"); |
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| 281 | paraCol_.attach(table_, "PARANGLE"); |
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| 282 | fldnCol_.attach(table_, "FIELDNAME"); |
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| 283 | rbeamCol_.attach(table_, "REFBEAMNO"); |
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[455] | 284 | |
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[805] | 285 | mfitidCol_.attach(table_,"FIT_ID"); |
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| 286 | mfreqidCol_.attach(table_, "FREQ_ID"); |
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| 287 | mtcalidCol_.attach(table_, "TCAL_ID"); |
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| 288 | mfocusidCol_.attach(table_, "FOCUS_ID"); |
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| 289 | mmolidCol_.attach(table_, "MOLECULE_ID"); |
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[455] | 290 | } |
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| 291 | |
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[901] | 292 | void Scantable::setHeader(const STHeader& sdh) |
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[206] | 293 | { |
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[18] | 294 | table_.rwKeywordSet().define("nIF", sdh.nif); |
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| 295 | table_.rwKeywordSet().define("nBeam", sdh.nbeam); |
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| 296 | table_.rwKeywordSet().define("nPol", sdh.npol); |
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| 297 | table_.rwKeywordSet().define("nChan", sdh.nchan); |
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| 298 | table_.rwKeywordSet().define("Observer", sdh.observer); |
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| 299 | table_.rwKeywordSet().define("Project", sdh.project); |
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| 300 | table_.rwKeywordSet().define("Obstype", sdh.obstype); |
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| 301 | table_.rwKeywordSet().define("AntennaName", sdh.antennaname); |
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| 302 | table_.rwKeywordSet().define("AntennaPosition", sdh.antennaposition); |
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| 303 | table_.rwKeywordSet().define("Equinox", sdh.equinox); |
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| 304 | table_.rwKeywordSet().define("FreqRefFrame", sdh.freqref); |
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| 305 | table_.rwKeywordSet().define("FreqRefVal", sdh.reffreq); |
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| 306 | table_.rwKeywordSet().define("Bandwidth", sdh.bandwidth); |
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| 307 | table_.rwKeywordSet().define("UTC", sdh.utc); |
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[206] | 308 | table_.rwKeywordSet().define("FluxUnit", sdh.fluxunit); |
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| 309 | table_.rwKeywordSet().define("Epoch", sdh.epoch); |
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[905] | 310 | table_.rwKeywordSet().define("POLTYPE", sdh.poltype); |
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[50] | 311 | } |
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[21] | 312 | |
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[901] | 313 | STHeader Scantable::getHeader() const |
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[206] | 314 | { |
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[901] | 315 | STHeader sdh; |
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[21] | 316 | table_.keywordSet().get("nBeam",sdh.nbeam); |
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| 317 | table_.keywordSet().get("nIF",sdh.nif); |
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| 318 | table_.keywordSet().get("nPol",sdh.npol); |
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| 319 | table_.keywordSet().get("nChan",sdh.nchan); |
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| 320 | table_.keywordSet().get("Observer", sdh.observer); |
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| 321 | table_.keywordSet().get("Project", sdh.project); |
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| 322 | table_.keywordSet().get("Obstype", sdh.obstype); |
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| 323 | table_.keywordSet().get("AntennaName", sdh.antennaname); |
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| 324 | table_.keywordSet().get("AntennaPosition", sdh.antennaposition); |
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| 325 | table_.keywordSet().get("Equinox", sdh.equinox); |
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| 326 | table_.keywordSet().get("FreqRefFrame", sdh.freqref); |
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| 327 | table_.keywordSet().get("FreqRefVal", sdh.reffreq); |
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| 328 | table_.keywordSet().get("Bandwidth", sdh.bandwidth); |
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| 329 | table_.keywordSet().get("UTC", sdh.utc); |
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[206] | 330 | table_.keywordSet().get("FluxUnit", sdh.fluxunit); |
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| 331 | table_.keywordSet().get("Epoch", sdh.epoch); |
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[905] | 332 | table_.keywordSet().get("POLTYPE", sdh.poltype); |
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[21] | 333 | return sdh; |
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[18] | 334 | } |
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[805] | 335 | |
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[1360] | 336 | void Scantable::setSourceType( int stype ) |
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[1068] | 337 | { |
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| 338 | if ( stype < 0 || stype > 1 ) |
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| 339 | throw(AipsError("Illegal sourcetype.")); |
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| 340 | TableVector<Int> tabvec(table_, "SRCTYPE"); |
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| 341 | tabvec = Int(stype); |
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| 342 | } |
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| 343 | |
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[845] | 344 | bool Scantable::conformant( const Scantable& other ) |
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| 345 | { |
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| 346 | return this->getHeader().conformant(other.getHeader()); |
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| 347 | } |
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| 348 | |
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| 349 | |
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[50] | 350 | |
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[805] | 351 | std::string Scantable::formatSec(Double x) const |
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[206] | 352 | { |
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[105] | 353 | Double xcop = x; |
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| 354 | MVTime mvt(xcop/24./3600.); // make days |
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[365] | 355 | |
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[105] | 356 | if (x < 59.95) |
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[281] | 357 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_HM, 7)+"s"; |
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[745] | 358 | else if (x < 3599.95) |
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[281] | 359 | return String(" ") + mvt.string(MVTime::TIME_CLEAN_NO_H,7)+" "; |
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| 360 | else { |
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| 361 | ostringstream oss; |
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| 362 | oss << setw(2) << std::right << setprecision(1) << mvt.hour(); |
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| 363 | oss << ":" << mvt.string(MVTime::TIME_CLEAN_NO_H,7) << " "; |
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| 364 | return String(oss); |
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[745] | 365 | } |
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[105] | 366 | }; |
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| 367 | |
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[805] | 368 | std::string Scantable::formatDirection(const MDirection& md) const |
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[281] | 369 | { |
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| 370 | Vector<Double> t = md.getAngle(Unit(String("rad"))).getValue(); |
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| 371 | Int prec = 7; |
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| 372 | |
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| 373 | MVAngle mvLon(t[0]); |
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| 374 | String sLon = mvLon.string(MVAngle::TIME,prec); |
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[987] | 375 | uInt tp = md.getRef().getType(); |
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| 376 | if (tp == MDirection::GALACTIC || |
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| 377 | tp == MDirection::SUPERGAL ) { |
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| 378 | sLon = mvLon(0.0).string(MVAngle::ANGLE_CLEAN,prec); |
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| 379 | } |
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[281] | 380 | MVAngle mvLat(t[1]); |
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| 381 | String sLat = mvLat.string(MVAngle::ANGLE+MVAngle::DIG2,prec); |
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[380] | 382 | return sLon + String(" ") + sLat; |
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[281] | 383 | } |
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| 384 | |
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| 385 | |
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[805] | 386 | std::string Scantable::getFluxUnit() const |
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[206] | 387 | { |
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[847] | 388 | return table_.keywordSet().asString("FluxUnit"); |
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[206] | 389 | } |
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| 390 | |
---|
[805] | 391 | void Scantable::setFluxUnit(const std::string& unit) |
---|
[218] | 392 | { |
---|
| 393 | String tmp(unit); |
---|
| 394 | Unit tU(tmp); |
---|
| 395 | if (tU==Unit("K") || tU==Unit("Jy")) { |
---|
| 396 | table_.rwKeywordSet().define(String("FluxUnit"), tmp); |
---|
| 397 | } else { |
---|
| 398 | throw AipsError("Illegal unit - must be compatible with Jy or K"); |
---|
| 399 | } |
---|
| 400 | } |
---|
| 401 | |
---|
[805] | 402 | void Scantable::setInstrument(const std::string& name) |
---|
[236] | 403 | { |
---|
[805] | 404 | bool throwIt = true; |
---|
[996] | 405 | // create an Instrument to see if this is valid |
---|
| 406 | STAttr::convertInstrument(name, throwIt); |
---|
[236] | 407 | String nameU(name); |
---|
| 408 | nameU.upcase(); |
---|
| 409 | table_.rwKeywordSet().define(String("AntennaName"), nameU); |
---|
| 410 | } |
---|
| 411 | |
---|
[1189] | 412 | void Scantable::setFeedType(const std::string& feedtype) |
---|
| 413 | { |
---|
| 414 | if ( Scantable::factories_.find(feedtype) == Scantable::factories_.end() ) { |
---|
| 415 | std::string msg = "Illegal feed type "+ feedtype; |
---|
| 416 | throw(casa::AipsError(msg)); |
---|
| 417 | } |
---|
| 418 | table_.rwKeywordSet().define(String("POLTYPE"), feedtype); |
---|
| 419 | } |
---|
| 420 | |
---|
[805] | 421 | MPosition Scantable::getAntennaPosition () const |
---|
| 422 | { |
---|
| 423 | Vector<Double> antpos; |
---|
| 424 | table_.keywordSet().get("AntennaPosition", antpos); |
---|
| 425 | MVPosition mvpos(antpos(0),antpos(1),antpos(2)); |
---|
| 426 | return MPosition(mvpos); |
---|
| 427 | } |
---|
[281] | 428 | |
---|
[805] | 429 | void Scantable::makePersistent(const std::string& filename) |
---|
| 430 | { |
---|
| 431 | String inname(filename); |
---|
| 432 | Path path(inname); |
---|
[1111] | 433 | /// @todo reindex SCANNO, recompute nbeam, nif, npol |
---|
[805] | 434 | inname = path.expandedName(); |
---|
| 435 | table_.deepCopy(inname, Table::New); |
---|
| 436 | } |
---|
| 437 | |
---|
[837] | 438 | int Scantable::nbeam( int scanno ) const |
---|
[805] | 439 | { |
---|
| 440 | if ( scanno < 0 ) { |
---|
| 441 | Int n; |
---|
| 442 | table_.keywordSet().get("nBeam",n); |
---|
| 443 | return int(n); |
---|
[105] | 444 | } else { |
---|
[805] | 445 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
[888] | 446 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
| 447 | ROTableRow row(t); |
---|
| 448 | const TableRecord& rec = row.get(0); |
---|
| 449 | Table subt = t( t.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 450 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) |
---|
| 451 | && t.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
| 452 | ROTableVector<uInt> v(subt, "BEAMNO"); |
---|
[805] | 453 | return int(v.nelements()); |
---|
[105] | 454 | } |
---|
[805] | 455 | return 0; |
---|
| 456 | } |
---|
[455] | 457 | |
---|
[837] | 458 | int Scantable::nif( int scanno ) const |
---|
[805] | 459 | { |
---|
| 460 | if ( scanno < 0 ) { |
---|
| 461 | Int n; |
---|
| 462 | table_.keywordSet().get("nIF",n); |
---|
| 463 | return int(n); |
---|
| 464 | } else { |
---|
| 465 | // take the first POLNO,BEAMNO,CYCLENO as nbeam shouldn't vary with these |
---|
[888] | 466 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
| 467 | ROTableRow row(t); |
---|
| 468 | const TableRecord& rec = row.get(0); |
---|
| 469 | Table subt = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 470 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) |
---|
| 471 | && t.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
| 472 | if ( subt.nrow() == 0 ) return 0; |
---|
| 473 | ROTableVector<uInt> v(subt, "IFNO"); |
---|
[805] | 474 | return int(v.nelements()); |
---|
[2] | 475 | } |
---|
[805] | 476 | return 0; |
---|
| 477 | } |
---|
[321] | 478 | |
---|
[837] | 479 | int Scantable::npol( int scanno ) const |
---|
[805] | 480 | { |
---|
| 481 | if ( scanno < 0 ) { |
---|
| 482 | Int n; |
---|
| 483 | table_.keywordSet().get("nPol",n); |
---|
| 484 | return n; |
---|
| 485 | } else { |
---|
| 486 | // take the first POLNO,IFNO,CYCLENO as nbeam shouldn't vary with these |
---|
[888] | 487 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
| 488 | ROTableRow row(t); |
---|
| 489 | const TableRecord& rec = row.get(0); |
---|
| 490 | Table subt = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 491 | && t.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 492 | && t.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
| 493 | if ( subt.nrow() == 0 ) return 0; |
---|
| 494 | ROTableVector<uInt> v(subt, "POLNO"); |
---|
[805] | 495 | return int(v.nelements()); |
---|
[321] | 496 | } |
---|
[805] | 497 | return 0; |
---|
[2] | 498 | } |
---|
[805] | 499 | |
---|
[845] | 500 | int Scantable::ncycle( int scanno ) const |
---|
[206] | 501 | { |
---|
[805] | 502 | if ( scanno < 0 ) { |
---|
[837] | 503 | Block<String> cols(2); |
---|
| 504 | cols[0] = "SCANNO"; |
---|
| 505 | cols[1] = "CYCLENO"; |
---|
| 506 | TableIterator it(table_, cols); |
---|
| 507 | int n = 0; |
---|
| 508 | while ( !it.pastEnd() ) { |
---|
| 509 | ++n; |
---|
[902] | 510 | ++it; |
---|
[837] | 511 | } |
---|
| 512 | return n; |
---|
[805] | 513 | } else { |
---|
[888] | 514 | Table t = table_(table_.col("SCANNO") == scanno); |
---|
| 515 | ROTableRow row(t); |
---|
| 516 | const TableRecord& rec = row.get(0); |
---|
| 517 | Table subt = t( t.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 518 | && t.col("POLNO") == Int(rec.asuInt("POLNO")) |
---|
| 519 | && t.col("IFNO") == Int(rec.asuInt("IFNO")) ); |
---|
| 520 | if ( subt.nrow() == 0 ) return 0; |
---|
| 521 | return int(subt.nrow()); |
---|
[805] | 522 | } |
---|
| 523 | return 0; |
---|
[18] | 524 | } |
---|
[455] | 525 | |
---|
| 526 | |
---|
[845] | 527 | int Scantable::nrow( int scanno ) const |
---|
[805] | 528 | { |
---|
[845] | 529 | return int(table_.nrow()); |
---|
| 530 | } |
---|
| 531 | |
---|
| 532 | int Scantable::nchan( int ifno ) const |
---|
| 533 | { |
---|
| 534 | if ( ifno < 0 ) { |
---|
[805] | 535 | Int n; |
---|
| 536 | table_.keywordSet().get("nChan",n); |
---|
| 537 | return int(n); |
---|
| 538 | } else { |
---|
[1603] | 539 | // take the first SCANNO,POLNO,BEAMNO,CYCLENO as nbeam shouldn't |
---|
| 540 | // vary with these |
---|
[888] | 541 | Table t = table_(table_.col("IFNO") == ifno); |
---|
| 542 | if ( t.nrow() == 0 ) return 0; |
---|
| 543 | ROArrayColumn<Float> v(t, "SPECTRA"); |
---|
[923] | 544 | return v.shape(0)(0); |
---|
[805] | 545 | } |
---|
| 546 | return 0; |
---|
[18] | 547 | } |
---|
[455] | 548 | |
---|
[1111] | 549 | int Scantable::nscan() const { |
---|
| 550 | Vector<uInt> scannos(scanCol_.getColumn()); |
---|
[1148] | 551 | uInt nout = genSort( scannos, Sort::Ascending, |
---|
[1111] | 552 | Sort::QuickSort|Sort::NoDuplicates ); |
---|
| 553 | return int(nout); |
---|
| 554 | } |
---|
| 555 | |
---|
[923] | 556 | int Scantable::getChannels(int whichrow) const |
---|
| 557 | { |
---|
| 558 | return specCol_.shape(whichrow)(0); |
---|
| 559 | } |
---|
[847] | 560 | |
---|
| 561 | int Scantable::getBeam(int whichrow) const |
---|
| 562 | { |
---|
| 563 | return beamCol_(whichrow); |
---|
| 564 | } |
---|
| 565 | |
---|
[1111] | 566 | std::vector<uint> Scantable::getNumbers(ScalarColumn<uInt>& col) |
---|
| 567 | { |
---|
| 568 | Vector<uInt> nos(col.getColumn()); |
---|
[1148] | 569 | uInt n = genSort( nos, Sort::Ascending, Sort::QuickSort|Sort::NoDuplicates ); |
---|
| 570 | nos.resize(n, True); |
---|
[1111] | 571 | std::vector<uint> stlout; |
---|
| 572 | nos.tovector(stlout); |
---|
| 573 | return stlout; |
---|
| 574 | } |
---|
| 575 | |
---|
[847] | 576 | int Scantable::getIF(int whichrow) const |
---|
| 577 | { |
---|
| 578 | return ifCol_(whichrow); |
---|
| 579 | } |
---|
| 580 | |
---|
| 581 | int Scantable::getPol(int whichrow) const |
---|
| 582 | { |
---|
| 583 | return polCol_(whichrow); |
---|
| 584 | } |
---|
| 585 | |
---|
[805] | 586 | std::string Scantable::formatTime(const MEpoch& me, bool showdate) const |
---|
| 587 | { |
---|
| 588 | MVTime mvt(me.getValue()); |
---|
| 589 | if (showdate) |
---|
| 590 | mvt.setFormat(MVTime::YMD); |
---|
| 591 | else |
---|
| 592 | mvt.setFormat(MVTime::TIME); |
---|
| 593 | ostringstream oss; |
---|
| 594 | oss << mvt; |
---|
| 595 | return String(oss); |
---|
| 596 | } |
---|
[488] | 597 | |
---|
[805] | 598 | void Scantable::calculateAZEL() |
---|
| 599 | { |
---|
| 600 | MPosition mp = getAntennaPosition(); |
---|
| 601 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 602 | ostringstream oss; |
---|
| 603 | oss << "Computed azimuth/elevation using " << endl |
---|
| 604 | << mp << endl; |
---|
[996] | 605 | for (Int i=0; i<nrow(); ++i) { |
---|
[805] | 606 | MEpoch me = timeCol(i); |
---|
[987] | 607 | MDirection md = getDirection(i); |
---|
[805] | 608 | oss << " Time: " << formatTime(me,False) << " Direction: " << formatDirection(md) |
---|
| 609 | << endl << " => "; |
---|
| 610 | MeasFrame frame(mp, me); |
---|
| 611 | Vector<Double> azel = |
---|
| 612 | MDirection::Convert(md, MDirection::Ref(MDirection::AZEL, |
---|
| 613 | frame) |
---|
| 614 | )().getAngle("rad").getValue(); |
---|
[923] | 615 | azCol_.put(i,Float(azel[0])); |
---|
| 616 | elCol_.put(i,Float(azel[1])); |
---|
[805] | 617 | oss << "azel: " << azel[0]/C::pi*180.0 << " " |
---|
| 618 | << azel[1]/C::pi*180.0 << " (deg)" << endl; |
---|
[16] | 619 | } |
---|
[805] | 620 | pushLog(String(oss)); |
---|
| 621 | } |
---|
[89] | 622 | |
---|
[1400] | 623 | void Scantable::flag(const std::vector<bool>& msk, bool unflag) |
---|
[865] | 624 | { |
---|
[1333] | 625 | std::vector<bool>::const_iterator it; |
---|
| 626 | uInt ntrue = 0; |
---|
| 627 | for (it = msk.begin(); it != msk.end(); ++it) { |
---|
| 628 | if ( *it ) { |
---|
| 629 | ntrue++; |
---|
| 630 | } |
---|
| 631 | } |
---|
| 632 | if ( selector_.empty() && (msk.size() == 0 || msk.size() == ntrue) ) |
---|
[1000] | 633 | throw(AipsError("Trying to flag whole scantable.")); |
---|
| 634 | if ( msk.size() == 0 ) { |
---|
| 635 | uChar userflag = 1 << 7; |
---|
[1400] | 636 | if ( unflag ) { |
---|
| 637 | userflag = 0 << 7; |
---|
| 638 | } |
---|
[1000] | 639 | for ( uInt i=0; i<table_.nrow(); ++i) { |
---|
| 640 | Vector<uChar> flgs = flagsCol_(i); |
---|
| 641 | flgs = userflag; |
---|
| 642 | flagsCol_.put(i, flgs); |
---|
| 643 | } |
---|
| 644 | return; |
---|
| 645 | } |
---|
| 646 | if ( int(msk.size()) != nchan() ) { |
---|
| 647 | throw(AipsError("Mask has incorrect number of channels.")); |
---|
| 648 | } |
---|
| 649 | for ( uInt i=0; i<table_.nrow(); ++i) { |
---|
| 650 | Vector<uChar> flgs = flagsCol_(i); |
---|
| 651 | if ( flgs.nelements() != msk.size() ) { |
---|
| 652 | throw(AipsError("Mask has incorrect number of channels." |
---|
| 653 | " Probably varying with IF. Please flag per IF")); |
---|
| 654 | } |
---|
| 655 | std::vector<bool>::const_iterator it; |
---|
| 656 | uInt j = 0; |
---|
| 657 | uChar userflag = 1 << 7; |
---|
[1400] | 658 | if ( unflag ) { |
---|
| 659 | userflag = 0 << 7; |
---|
| 660 | } |
---|
[1000] | 661 | for (it = msk.begin(); it != msk.end(); ++it) { |
---|
| 662 | if ( *it ) { |
---|
| 663 | flgs(j) = userflag; |
---|
| 664 | } |
---|
| 665 | ++j; |
---|
| 666 | } |
---|
| 667 | flagsCol_.put(i, flgs); |
---|
| 668 | } |
---|
[865] | 669 | } |
---|
| 670 | |
---|
[805] | 671 | std::vector<bool> Scantable::getMask(int whichrow) const |
---|
| 672 | { |
---|
| 673 | Vector<uChar> flags; |
---|
| 674 | flagsCol_.get(uInt(whichrow), flags); |
---|
| 675 | Vector<Bool> bflag(flags.shape()); |
---|
| 676 | convertArray(bflag, flags); |
---|
| 677 | bflag = !bflag; |
---|
| 678 | std::vector<bool> mask; |
---|
| 679 | bflag.tovector(mask); |
---|
| 680 | return mask; |
---|
| 681 | } |
---|
[89] | 682 | |
---|
[896] | 683 | std::vector<float> Scantable::getSpectrum( int whichrow, |
---|
[902] | 684 | const std::string& poltype ) const |
---|
[805] | 685 | { |
---|
[905] | 686 | String ptype = poltype; |
---|
| 687 | if (poltype == "" ) ptype = getPolType(); |
---|
[902] | 688 | if ( whichrow < 0 || whichrow >= nrow() ) |
---|
| 689 | throw(AipsError("Illegal row number.")); |
---|
[896] | 690 | std::vector<float> out; |
---|
[805] | 691 | Vector<Float> arr; |
---|
[896] | 692 | uInt requestedpol = polCol_(whichrow); |
---|
| 693 | String basetype = getPolType(); |
---|
[905] | 694 | if ( ptype == basetype ) { |
---|
[896] | 695 | specCol_.get(whichrow, arr); |
---|
| 696 | } else { |
---|
[1334] | 697 | CountedPtr<STPol> stpol(STPol::getPolClass(Scantable::factories_, basetype)); |
---|
| 698 | uInt row = uInt(whichrow); |
---|
| 699 | stpol->setSpectra(getPolMatrix(row)); |
---|
| 700 | Float fang,fhand,parang; |
---|
| 701 | fang = focusTable_.getTotalFeedAngle(mfocusidCol_(row)); |
---|
| 702 | fhand = focusTable_.getFeedHand(mfocusidCol_(row)); |
---|
| 703 | parang = paraCol_(row); |
---|
| 704 | /// @todo re-enable this |
---|
| 705 | // disable total feed angle to support paralactifying Caswell style |
---|
| 706 | stpol->setPhaseCorrections(parang, -parang, fhand); |
---|
| 707 | arr = stpol->getSpectrum(requestedpol, ptype); |
---|
[896] | 708 | } |
---|
[902] | 709 | if ( arr.nelements() == 0 ) |
---|
| 710 | pushLog("Not enough polarisations present to do the conversion."); |
---|
[805] | 711 | arr.tovector(out); |
---|
| 712 | return out; |
---|
[89] | 713 | } |
---|
[212] | 714 | |
---|
[1360] | 715 | void Scantable::setSpectrum( const std::vector<float>& spec, |
---|
[884] | 716 | int whichrow ) |
---|
| 717 | { |
---|
| 718 | Vector<Float> spectrum(spec); |
---|
| 719 | Vector<Float> arr; |
---|
| 720 | specCol_.get(whichrow, arr); |
---|
| 721 | if ( spectrum.nelements() != arr.nelements() ) |
---|
[896] | 722 | throw AipsError("The spectrum has incorrect number of channels."); |
---|
[884] | 723 | specCol_.put(whichrow, spectrum); |
---|
| 724 | } |
---|
| 725 | |
---|
| 726 | |
---|
[805] | 727 | String Scantable::generateName() |
---|
[745] | 728 | { |
---|
[805] | 729 | return (File::newUniqueName("./","temp")).baseName(); |
---|
[212] | 730 | } |
---|
| 731 | |
---|
[805] | 732 | const casa::Table& Scantable::table( ) const |
---|
[212] | 733 | { |
---|
[805] | 734 | return table_; |
---|
[212] | 735 | } |
---|
| 736 | |
---|
[805] | 737 | casa::Table& Scantable::table( ) |
---|
[386] | 738 | { |
---|
[805] | 739 | return table_; |
---|
[386] | 740 | } |
---|
| 741 | |
---|
[896] | 742 | std::string Scantable::getPolType() const |
---|
| 743 | { |
---|
| 744 | return table_.keywordSet().asString("POLTYPE"); |
---|
| 745 | } |
---|
| 746 | |
---|
[805] | 747 | void Scantable::unsetSelection() |
---|
[380] | 748 | { |
---|
[805] | 749 | table_ = originalTable_; |
---|
[847] | 750 | attach(); |
---|
[805] | 751 | selector_.reset(); |
---|
[380] | 752 | } |
---|
[386] | 753 | |
---|
[805] | 754 | void Scantable::setSelection( const STSelector& selection ) |
---|
[430] | 755 | { |
---|
[805] | 756 | Table tab = const_cast<STSelector&>(selection).apply(originalTable_); |
---|
| 757 | if ( tab.nrow() == 0 ) { |
---|
| 758 | throw(AipsError("Selection contains no data. Not applying it.")); |
---|
| 759 | } |
---|
| 760 | table_ = tab; |
---|
[847] | 761 | attach(); |
---|
[805] | 762 | selector_ = selection; |
---|
[430] | 763 | } |
---|
| 764 | |
---|
[837] | 765 | std::string Scantable::summary( bool verbose ) |
---|
[447] | 766 | { |
---|
[805] | 767 | // Format header info |
---|
| 768 | ostringstream oss; |
---|
| 769 | oss << endl; |
---|
| 770 | oss << asap::SEPERATOR << endl; |
---|
| 771 | oss << " Scan Table Summary" << endl; |
---|
| 772 | oss << asap::SEPERATOR << endl; |
---|
| 773 | oss.flags(std::ios_base::left); |
---|
| 774 | oss << setw(15) << "Beams:" << setw(4) << nbeam() << endl |
---|
| 775 | << setw(15) << "IFs:" << setw(4) << nif() << endl |
---|
[896] | 776 | << setw(15) << "Polarisations:" << setw(4) << npol() |
---|
| 777 | << "(" << getPolType() << ")" << endl |
---|
[805] | 778 | << setw(15) << "Channels:" << setw(4) << nchan() << endl; |
---|
| 779 | oss << endl; |
---|
| 780 | String tmp; |
---|
[860] | 781 | oss << setw(15) << "Observer:" |
---|
| 782 | << table_.keywordSet().asString("Observer") << endl; |
---|
[805] | 783 | oss << setw(15) << "Obs Date:" << getTime(-1,true) << endl; |
---|
| 784 | table_.keywordSet().get("Project", tmp); |
---|
| 785 | oss << setw(15) << "Project:" << tmp << endl; |
---|
| 786 | table_.keywordSet().get("Obstype", tmp); |
---|
| 787 | oss << setw(15) << "Obs. Type:" << tmp << endl; |
---|
| 788 | table_.keywordSet().get("AntennaName", tmp); |
---|
| 789 | oss << setw(15) << "Antenna Name:" << tmp << endl; |
---|
| 790 | table_.keywordSet().get("FluxUnit", tmp); |
---|
| 791 | oss << setw(15) << "Flux Unit:" << tmp << endl; |
---|
[1446] | 792 | //Vector<Double> vec(moleculeTable_.getRestFrequencies()); |
---|
| 793 | int nid = moleculeTable_.nrow(); |
---|
| 794 | Bool firstline = True; |
---|
[805] | 795 | oss << setw(15) << "Rest Freqs:"; |
---|
[1446] | 796 | for (int i=0; i<nid; i++) { |
---|
| 797 | Table t = table_(table_.col("MOLECULE_ID") == i); |
---|
| 798 | if (t.nrow() > 0) { |
---|
| 799 | Vector<Double> vec(moleculeTable_.getRestFrequency(i)); |
---|
| 800 | if (vec.nelements() > 0) { |
---|
| 801 | if (firstline) { |
---|
| 802 | oss << setprecision(10) << vec << " [Hz]" << endl; |
---|
| 803 | firstline=False; |
---|
| 804 | } |
---|
| 805 | else{ |
---|
| 806 | oss << setw(15)<<" " << setprecision(10) << vec << " [Hz]" << endl; |
---|
| 807 | } |
---|
| 808 | } else { |
---|
| 809 | oss << "none" << endl; |
---|
| 810 | } |
---|
| 811 | } |
---|
[805] | 812 | } |
---|
[941] | 813 | |
---|
| 814 | oss << setw(15) << "Abcissa:" << getAbcissaLabel(0) << endl; |
---|
[805] | 815 | oss << selector_.print() << endl; |
---|
| 816 | oss << endl; |
---|
| 817 | // main table |
---|
| 818 | String dirtype = "Position (" |
---|
[987] | 819 | + getDirectionRefString() |
---|
[805] | 820 | + ")"; |
---|
[941] | 821 | oss << setw(5) << "Scan" << setw(15) << "Source" |
---|
| 822 | << setw(10) << "Time" << setw(18) << "Integration" << endl; |
---|
| 823 | oss << setw(5) << "" << setw(5) << "Beam" << setw(3) << "" << dirtype << endl; |
---|
| 824 | oss << setw(10) << "" << setw(3) << "IF" << setw(6) << "" |
---|
[805] | 825 | << setw(8) << "Frame" << setw(16) |
---|
| 826 | << "RefVal" << setw(10) << "RefPix" << setw(12) << "Increment" <<endl; |
---|
| 827 | oss << asap::SEPERATOR << endl; |
---|
| 828 | TableIterator iter(table_, "SCANNO"); |
---|
| 829 | while (!iter.pastEnd()) { |
---|
| 830 | Table subt = iter.table(); |
---|
| 831 | ROTableRow row(subt); |
---|
| 832 | MEpoch::ROScalarColumn timeCol(subt,"TIME"); |
---|
| 833 | const TableRecord& rec = row.get(0); |
---|
| 834 | oss << setw(4) << std::right << rec.asuInt("SCANNO") |
---|
| 835 | << std::left << setw(1) << "" |
---|
| 836 | << setw(15) << rec.asString("SRCNAME") |
---|
| 837 | << setw(10) << formatTime(timeCol(0), false); |
---|
| 838 | // count the cycles in the scan |
---|
| 839 | TableIterator cyciter(subt, "CYCLENO"); |
---|
| 840 | int nint = 0; |
---|
| 841 | while (!cyciter.pastEnd()) { |
---|
| 842 | ++nint; |
---|
| 843 | ++cyciter; |
---|
| 844 | } |
---|
| 845 | oss << setw(3) << std::right << nint << setw(3) << " x " << std::left |
---|
| 846 | << setw(6) << formatSec(rec.asFloat("INTERVAL")) << endl; |
---|
[447] | 847 | |
---|
[805] | 848 | TableIterator biter(subt, "BEAMNO"); |
---|
| 849 | while (!biter.pastEnd()) { |
---|
| 850 | Table bsubt = biter.table(); |
---|
| 851 | ROTableRow brow(bsubt); |
---|
| 852 | const TableRecord& brec = brow.get(0); |
---|
[1000] | 853 | uInt row0 = bsubt.rowNumbers(table_)[0]; |
---|
[941] | 854 | oss << setw(5) << "" << setw(4) << std::right << brec.asuInt("BEAMNO")<< std::left; |
---|
[987] | 855 | oss << setw(4) << "" << formatDirection(getDirection(row0)) << endl; |
---|
[805] | 856 | TableIterator iiter(bsubt, "IFNO"); |
---|
| 857 | while (!iiter.pastEnd()) { |
---|
| 858 | Table isubt = iiter.table(); |
---|
| 859 | ROTableRow irow(isubt); |
---|
| 860 | const TableRecord& irec = irow.get(0); |
---|
[941] | 861 | oss << setw(10) << ""; |
---|
| 862 | oss << setw(3) << std::right << irec.asuInt("IFNO") << std::left |
---|
[1451] | 863 | << setw(2) << "" << frequencies().print(irec.asuInt("FREQ_ID")) |
---|
| 864 | << endl; |
---|
[447] | 865 | |
---|
[805] | 866 | ++iiter; |
---|
| 867 | } |
---|
| 868 | ++biter; |
---|
| 869 | } |
---|
| 870 | ++iter; |
---|
[447] | 871 | } |
---|
[805] | 872 | /// @todo implement verbose mode |
---|
| 873 | return String(oss); |
---|
[447] | 874 | } |
---|
| 875 | |
---|
[805] | 876 | std::string Scantable::getTime(int whichrow, bool showdate) const |
---|
[777] | 877 | { |
---|
[805] | 878 | MEpoch::ROScalarColumn timeCol(table_, "TIME"); |
---|
| 879 | MEpoch me; |
---|
| 880 | if (whichrow > -1) { |
---|
| 881 | me = timeCol(uInt(whichrow)); |
---|
| 882 | } else { |
---|
| 883 | Double tm; |
---|
| 884 | table_.keywordSet().get("UTC",tm); |
---|
| 885 | me = MEpoch(MVEpoch(tm)); |
---|
[777] | 886 | } |
---|
[805] | 887 | return formatTime(me, showdate); |
---|
[777] | 888 | } |
---|
[805] | 889 | |
---|
[1603] | 890 | MEpoch Scantable::getEpoch(int whichrow) const |
---|
| 891 | { |
---|
| 892 | if (whichrow > -1) { |
---|
| 893 | return timeCol_(uInt(whichrow)); |
---|
| 894 | } else { |
---|
| 895 | Double tm; |
---|
| 896 | table_.keywordSet().get("UTC",tm); |
---|
| 897 | return MEpoch(MVEpoch(tm)); |
---|
| 898 | } |
---|
| 899 | } |
---|
| 900 | |
---|
[1068] | 901 | std::string Scantable::getDirectionString(int whichrow) const |
---|
| 902 | { |
---|
| 903 | return formatDirection(getDirection(uInt(whichrow))); |
---|
| 904 | } |
---|
| 905 | |
---|
[1360] | 906 | std::vector< double > Scantable::getAbcissa( int whichrow ) const |
---|
[865] | 907 | { |
---|
[1603] | 908 | if ( whichrow > int(table_.nrow()) ) throw(AipsError("Illegal row number")); |
---|
[865] | 909 | std::vector<double> stlout; |
---|
| 910 | int nchan = specCol_(whichrow).nelements(); |
---|
| 911 | String us = freqTable_.getUnitString(); |
---|
| 912 | if ( us == "" || us == "pixel" || us == "channel" ) { |
---|
| 913 | for (int i=0; i<nchan; ++i) { |
---|
| 914 | stlout.push_back(double(i)); |
---|
| 915 | } |
---|
| 916 | return stlout; |
---|
| 917 | } |
---|
| 918 | |
---|
| 919 | const MPosition& mp = getAntennaPosition(); |
---|
[987] | 920 | const MDirection& md = getDirection(whichrow); |
---|
[865] | 921 | const MEpoch& me = timeCol_(whichrow); |
---|
[1446] | 922 | //Double rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
| 923 | Vector<Double> rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
[865] | 924 | SpectralCoordinate spc = |
---|
| 925 | freqTable_.getSpectralCoordinate(md, mp, me, rf, mfreqidCol_(whichrow)); |
---|
| 926 | Vector<Double> pixel(nchan); |
---|
| 927 | Vector<Double> world; |
---|
| 928 | indgen(pixel); |
---|
| 929 | if ( Unit(us) == Unit("Hz") ) { |
---|
| 930 | for ( int i=0; i < nchan; ++i) { |
---|
| 931 | Double world; |
---|
| 932 | spc.toWorld(world, pixel[i]); |
---|
| 933 | stlout.push_back(double(world)); |
---|
| 934 | } |
---|
| 935 | } else if ( Unit(us) == Unit("km/s") ) { |
---|
| 936 | Vector<Double> world; |
---|
| 937 | spc.pixelToVelocity(world, pixel); |
---|
| 938 | world.tovector(stlout); |
---|
| 939 | } |
---|
| 940 | return stlout; |
---|
| 941 | } |
---|
[1360] | 942 | void Scantable::setDirectionRefString( const std::string & refstr ) |
---|
[987] | 943 | { |
---|
| 944 | MDirection::Types mdt; |
---|
| 945 | if (refstr != "" && !MDirection::getType(mdt, refstr)) { |
---|
| 946 | throw(AipsError("Illegal Direction frame.")); |
---|
| 947 | } |
---|
| 948 | if ( refstr == "" ) { |
---|
| 949 | String defaultstr = MDirection::showType(dirCol_.getMeasRef().getType()); |
---|
| 950 | table_.rwKeywordSet().define("DIRECTIONREF", defaultstr); |
---|
| 951 | } else { |
---|
| 952 | table_.rwKeywordSet().define("DIRECTIONREF", String(refstr)); |
---|
| 953 | } |
---|
| 954 | } |
---|
[865] | 955 | |
---|
[1360] | 956 | std::string Scantable::getDirectionRefString( ) const |
---|
[987] | 957 | { |
---|
| 958 | return table_.keywordSet().asString("DIRECTIONREF"); |
---|
| 959 | } |
---|
| 960 | |
---|
| 961 | MDirection Scantable::getDirection(int whichrow ) const |
---|
| 962 | { |
---|
| 963 | String usertype = table_.keywordSet().asString("DIRECTIONREF"); |
---|
| 964 | String type = MDirection::showType(dirCol_.getMeasRef().getType()); |
---|
| 965 | if ( usertype != type ) { |
---|
| 966 | MDirection::Types mdt; |
---|
| 967 | if (!MDirection::getType(mdt, usertype)) { |
---|
| 968 | throw(AipsError("Illegal Direction frame.")); |
---|
| 969 | } |
---|
| 970 | return dirCol_.convert(uInt(whichrow), mdt); |
---|
| 971 | } else { |
---|
| 972 | return dirCol_(uInt(whichrow)); |
---|
| 973 | } |
---|
| 974 | } |
---|
| 975 | |
---|
[847] | 976 | std::string Scantable::getAbcissaLabel( int whichrow ) const |
---|
| 977 | { |
---|
[996] | 978 | if ( whichrow > int(table_.nrow()) ) throw(AipsError("Illegal ro number")); |
---|
[847] | 979 | const MPosition& mp = getAntennaPosition(); |
---|
[987] | 980 | const MDirection& md = getDirection(whichrow); |
---|
[847] | 981 | const MEpoch& me = timeCol_(whichrow); |
---|
[1446] | 982 | //const Double& rf = mmolidCol_(whichrow); |
---|
| 983 | const Vector<Double> rf = moleculeTable_.getRestFrequency(mmolidCol_(whichrow)); |
---|
[847] | 984 | SpectralCoordinate spc = |
---|
| 985 | freqTable_.getSpectralCoordinate(md, mp, me, rf, mfreqidCol_(whichrow)); |
---|
| 986 | |
---|
| 987 | String s = "Channel"; |
---|
| 988 | Unit u = Unit(freqTable_.getUnitString()); |
---|
| 989 | if (u == Unit("km/s")) { |
---|
[1170] | 990 | s = CoordinateUtil::axisLabel(spc, 0, True,True, True); |
---|
[847] | 991 | } else if (u == Unit("Hz")) { |
---|
| 992 | Vector<String> wau(1);wau = u.getName(); |
---|
| 993 | spc.setWorldAxisUnits(wau); |
---|
[1170] | 994 | s = CoordinateUtil::axisLabel(spc, 0, True, True, False); |
---|
[847] | 995 | } |
---|
| 996 | return s; |
---|
| 997 | |
---|
| 998 | } |
---|
| 999 | |
---|
[1446] | 1000 | /** |
---|
| 1001 | void asap::Scantable::setRestFrequencies( double rf, const std::string& name, |
---|
[1170] | 1002 | const std::string& unit ) |
---|
[1446] | 1003 | **/ |
---|
| 1004 | void Scantable::setRestFrequencies( vector<double> rf, const vector<std::string>& name, |
---|
| 1005 | const std::string& unit ) |
---|
| 1006 | |
---|
[847] | 1007 | { |
---|
[923] | 1008 | ///@todo lookup in line table to fill in name and formattedname |
---|
[847] | 1009 | Unit u(unit); |
---|
[1446] | 1010 | //Quantum<Double> urf(rf, u); |
---|
| 1011 | Quantum<Vector<Double> >urf(rf, u); |
---|
| 1012 | Vector<String> formattedname(0); |
---|
| 1013 | //cerr<<"Scantable::setRestFrequnecies="<<urf<<endl; |
---|
| 1014 | |
---|
| 1015 | //uInt id = moleculeTable_.addEntry(urf.getValue("Hz"), name, ""); |
---|
| 1016 | uInt id = moleculeTable_.addEntry(urf.getValue("Hz"), mathutil::toVectorString(name), formattedname); |
---|
[847] | 1017 | TableVector<uInt> tabvec(table_, "MOLECULE_ID"); |
---|
| 1018 | tabvec = id; |
---|
| 1019 | } |
---|
| 1020 | |
---|
[1446] | 1021 | /** |
---|
| 1022 | void asap::Scantable::setRestFrequencies( const std::string& name ) |
---|
[847] | 1023 | { |
---|
| 1024 | throw(AipsError("setRestFrequencies( const std::string& name ) NYI")); |
---|
| 1025 | ///@todo implement |
---|
| 1026 | } |
---|
[1446] | 1027 | **/ |
---|
| 1028 | void Scantable::setRestFrequencies( const vector<std::string>& name ) |
---|
| 1029 | { |
---|
| 1030 | throw(AipsError("setRestFrequencies( const vector<std::string>& name ) NYI")); |
---|
| 1031 | ///@todo implement |
---|
| 1032 | } |
---|
[847] | 1033 | |
---|
[1360] | 1034 | std::vector< unsigned int > Scantable::rownumbers( ) const |
---|
[852] | 1035 | { |
---|
| 1036 | std::vector<unsigned int> stlout; |
---|
| 1037 | Vector<uInt> vec = table_.rowNumbers(); |
---|
| 1038 | vec.tovector(stlout); |
---|
| 1039 | return stlout; |
---|
| 1040 | } |
---|
| 1041 | |
---|
[865] | 1042 | |
---|
[1360] | 1043 | Matrix<Float> Scantable::getPolMatrix( uInt whichrow ) const |
---|
[896] | 1044 | { |
---|
| 1045 | ROTableRow row(table_); |
---|
| 1046 | const TableRecord& rec = row.get(whichrow); |
---|
| 1047 | Table t = |
---|
| 1048 | originalTable_( originalTable_.col("SCANNO") == Int(rec.asuInt("SCANNO")) |
---|
| 1049 | && originalTable_.col("BEAMNO") == Int(rec.asuInt("BEAMNO")) |
---|
| 1050 | && originalTable_.col("IFNO") == Int(rec.asuInt("IFNO")) |
---|
| 1051 | && originalTable_.col("CYCLENO") == Int(rec.asuInt("CYCLENO")) ); |
---|
| 1052 | ROArrayColumn<Float> speccol(t, "SPECTRA"); |
---|
| 1053 | return speccol.getColumn(); |
---|
| 1054 | } |
---|
[865] | 1055 | |
---|
[1360] | 1056 | std::vector< std::string > Scantable::columnNames( ) const |
---|
[902] | 1057 | { |
---|
| 1058 | Vector<String> vec = table_.tableDesc().columnNames(); |
---|
| 1059 | return mathutil::tovectorstring(vec); |
---|
| 1060 | } |
---|
[896] | 1061 | |
---|
[1360] | 1062 | MEpoch::Types Scantable::getTimeReference( ) const |
---|
[915] | 1063 | { |
---|
| 1064 | return MEpoch::castType(timeCol_.getMeasRef().getType()); |
---|
[972] | 1065 | } |
---|
[915] | 1066 | |
---|
[1360] | 1067 | void Scantable::addFit( const STFitEntry& fit, int row ) |
---|
[972] | 1068 | { |
---|
| 1069 | cout << mfitidCol_(uInt(row)) << endl; |
---|
| 1070 | uInt id = fitTable_.addEntry(fit, mfitidCol_(uInt(row))); |
---|
| 1071 | mfitidCol_.put(uInt(row), id); |
---|
| 1072 | } |
---|
[915] | 1073 | |
---|
[1360] | 1074 | void Scantable::shift(int npix) |
---|
| 1075 | { |
---|
| 1076 | Vector<uInt> fids(mfreqidCol_.getColumn()); |
---|
| 1077 | genSort( fids, Sort::Ascending, |
---|
| 1078 | Sort::QuickSort|Sort::NoDuplicates ); |
---|
| 1079 | for (uInt i=0; i<fids.nelements(); ++i) { |
---|
| 1080 | frequencies().shiftRefPix(npix, i); |
---|
| 1081 | } |
---|
| 1082 | } |
---|
[987] | 1083 | |
---|
[1387] | 1084 | std::string asap::Scantable::getAntennaName() const |
---|
| 1085 | { |
---|
| 1086 | String out; |
---|
| 1087 | table_.keywordSet().get("AntennaName", out); |
---|
| 1088 | return out; |
---|
[987] | 1089 | } |
---|
[1387] | 1090 | |
---|
| 1091 | int asap::Scantable::checkScanInfo(const std::vector<int>& scanlist) const |
---|
| 1092 | { |
---|
| 1093 | String tbpath; |
---|
| 1094 | int ret = 0; |
---|
| 1095 | if ( table_.keywordSet().isDefined("GBT_GO") ) { |
---|
| 1096 | table_.keywordSet().get("GBT_GO", tbpath); |
---|
| 1097 | Table t(tbpath,Table::Old); |
---|
| 1098 | // check each scan if other scan of the pair exist |
---|
| 1099 | int nscan = scanlist.size(); |
---|
| 1100 | for (int i = 0; i < nscan; i++) { |
---|
| 1101 | Table subt = t( t.col("SCAN") == scanlist[i]+1 ); |
---|
| 1102 | if (subt.nrow()==0) { |
---|
| 1103 | cerr <<"Scan "<<scanlist[i]<<" cannot be found in the scantable."<<endl; |
---|
| 1104 | ret = 1; |
---|
| 1105 | break; |
---|
| 1106 | } |
---|
| 1107 | ROTableRow row(subt); |
---|
| 1108 | const TableRecord& rec = row.get(0); |
---|
| 1109 | int scan1seqn = rec.asuInt("PROCSEQN"); |
---|
| 1110 | int laston1 = rec.asuInt("LASTON"); |
---|
| 1111 | if ( rec.asuInt("PROCSIZE")==2 ) { |
---|
| 1112 | if ( i < nscan-1 ) { |
---|
| 1113 | Table subt2 = t( t.col("SCAN") == scanlist[i+1]+1 ); |
---|
| 1114 | if ( subt2.nrow() == 0) { |
---|
| 1115 | cerr<<"Scan "<<scanlist[i+1]<<" cannot be found in the scantable."<<endl; |
---|
| 1116 | ret = 1; |
---|
| 1117 | break; |
---|
| 1118 | } |
---|
| 1119 | ROTableRow row2(subt2); |
---|
| 1120 | const TableRecord& rec2 = row2.get(0); |
---|
| 1121 | int scan2seqn = rec2.asuInt("PROCSEQN"); |
---|
| 1122 | int laston2 = rec2.asuInt("LASTON"); |
---|
| 1123 | if (scan1seqn == 1 && scan2seqn == 2) { |
---|
| 1124 | if (laston1 == laston2) { |
---|
| 1125 | cerr<<"A valid scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<endl; |
---|
| 1126 | i +=1; |
---|
| 1127 | } |
---|
| 1128 | else { |
---|
| 1129 | cerr<<"Incorrect scan pair ["<<scanlist[i]<<","<<scanlist[i+1]<<"]"<<endl; |
---|
| 1130 | } |
---|
| 1131 | } |
---|
| 1132 | else if (scan1seqn==2 && scan2seqn == 1) { |
---|
| 1133 | if (laston1 == laston2) { |
---|
| 1134 | cerr<<"["<<scanlist[i]<<","<<scanlist[i+1]<<"] is a valid scan pair but in incorrect order."<<endl; |
---|
| 1135 | ret = 1; |
---|
| 1136 | break; |
---|
| 1137 | } |
---|
| 1138 | } |
---|
| 1139 | else { |
---|
| 1140 | cerr<<"The other scan for "<<scanlist[i]<<" appears to be missing. Check the input scan numbers."<<endl; |
---|
| 1141 | ret = 1; |
---|
| 1142 | break; |
---|
| 1143 | } |
---|
| 1144 | } |
---|
| 1145 | } |
---|
| 1146 | else { |
---|
| 1147 | cerr<<"The scan does not appear to be standard obsevation."<<endl; |
---|
| 1148 | } |
---|
| 1149 | //if ( i >= nscan ) break; |
---|
| 1150 | } |
---|
| 1151 | } |
---|
| 1152 | else { |
---|
| 1153 | cerr<<"No reference to GBT_GO table."<<endl; |
---|
| 1154 | ret = 1; |
---|
| 1155 | } |
---|
| 1156 | return ret; |
---|
| 1157 | } |
---|
| 1158 | |
---|
| 1159 | std::vector<double> asap::Scantable::getDirectionVector(int whichrow) const |
---|
| 1160 | { |
---|
| 1161 | Vector<Double> Dir = dirCol_(whichrow).getAngle("rad").getValue(); |
---|
| 1162 | std::vector<double> dir; |
---|
| 1163 | Dir.tovector(dir); |
---|
| 1164 | return dir; |
---|
| 1165 | } |
---|
| 1166 | |
---|
[1446] | 1167 | void asap::Scantable::reshapeSpectrum( int nmin, int nmax ) |
---|
| 1168 | throw( casa::AipsError ) |
---|
| 1169 | { |
---|
| 1170 | // assumed that all rows have same nChan |
---|
| 1171 | Vector<Float> arr = specCol_( 0 ) ; |
---|
| 1172 | int nChan = arr.nelements() ; |
---|
| 1173 | |
---|
| 1174 | // if nmin < 0 or nmax < 0, nothing to do |
---|
| 1175 | if ( nmin < 0 ) { |
---|
| 1176 | throw( casa::indexError<int>( nmin, "asap::Scantable::reshapeSpectrum: Invalid range. Negative index is specified." ) ) ; |
---|
| 1177 | } |
---|
| 1178 | if ( nmax < 0 ) { |
---|
| 1179 | throw( casa::indexError<int>( nmax, "asap::Scantable::reshapeSpectrum: Invalid range. Negative index is specified." ) ) ; |
---|
| 1180 | } |
---|
| 1181 | |
---|
| 1182 | // if nmin > nmax, exchange values |
---|
| 1183 | if ( nmin > nmax ) { |
---|
| 1184 | int tmp = nmax ; |
---|
| 1185 | nmax = nmin ; |
---|
| 1186 | nmin = tmp ; |
---|
| 1187 | cout << "Swap values. Applied range is [" |
---|
| 1188 | << nmin << ", " << nmax << "]" << endl ; |
---|
| 1189 | } |
---|
| 1190 | |
---|
| 1191 | // if nmin exceeds nChan, nothing to do |
---|
| 1192 | if ( nmin >= nChan ) { |
---|
| 1193 | throw( casa::indexError<int>( nmin, "asap::Scantable::reshapeSpectrum: Invalid range. Specified minimum exceeds nChan." ) ) ; |
---|
| 1194 | } |
---|
| 1195 | |
---|
| 1196 | // if nmax exceeds nChan, reset nmax to nChan |
---|
| 1197 | if ( nmax >= nChan ) { |
---|
| 1198 | if ( nmin == 0 ) { |
---|
| 1199 | // nothing to do |
---|
| 1200 | cout << "Whole range is selected. Nothing to do." << endl ; |
---|
| 1201 | return ; |
---|
| 1202 | } |
---|
| 1203 | else { |
---|
| 1204 | cout << "Specified maximum exceeds nChan. Applied range is [" |
---|
| 1205 | << nmin << ", " << nChan-1 << "]." << endl ; |
---|
| 1206 | nmax = nChan - 1 ; |
---|
| 1207 | } |
---|
| 1208 | } |
---|
| 1209 | |
---|
| 1210 | // reshape specCol_ and flagCol_ |
---|
| 1211 | for ( int irow = 0 ; irow < nrow() ; irow++ ) { |
---|
| 1212 | reshapeSpectrum( nmin, nmax, irow ) ; |
---|
| 1213 | } |
---|
| 1214 | |
---|
| 1215 | // update FREQUENCIES subtable |
---|
| 1216 | Double refpix ; |
---|
| 1217 | Double refval ; |
---|
| 1218 | Double increment ; |
---|
| 1219 | int freqnrow = freqTable_.table().nrow() ; |
---|
| 1220 | Vector<uInt> oldId( freqnrow ) ; |
---|
| 1221 | Vector<uInt> newId( freqnrow ) ; |
---|
| 1222 | for ( int irow = 0 ; irow < freqnrow ; irow++ ) { |
---|
| 1223 | freqTable_.getEntry( refpix, refval, increment, irow ) ; |
---|
| 1224 | /*** |
---|
| 1225 | * need to shift refpix to nmin |
---|
| 1226 | * note that channel nmin in old index will be channel 0 in new one |
---|
| 1227 | ***/ |
---|
| 1228 | refval = refval - ( refpix - nmin ) * increment ; |
---|
| 1229 | refpix = 0 ; |
---|
| 1230 | freqTable_.setEntry( refpix, refval, increment, irow ) ; |
---|
| 1231 | } |
---|
| 1232 | |
---|
| 1233 | // update nchan |
---|
| 1234 | int newsize = nmax - nmin + 1 ; |
---|
| 1235 | table_.rwKeywordSet().define( "nChan", newsize ) ; |
---|
| 1236 | |
---|
| 1237 | // update bandwidth |
---|
| 1238 | // assumed all spectra in the scantable have same bandwidth |
---|
| 1239 | table_.rwKeywordSet().define( "Bandwidth", increment * newsize ) ; |
---|
| 1240 | |
---|
| 1241 | return ; |
---|
[1387] | 1242 | } |
---|
[1446] | 1243 | |
---|
| 1244 | void asap::Scantable::reshapeSpectrum( int nmin, int nmax, int irow ) |
---|
| 1245 | { |
---|
| 1246 | // reshape specCol_ and flagCol_ |
---|
| 1247 | Vector<Float> oldspec = specCol_( irow ) ; |
---|
| 1248 | Vector<uChar> oldflag = flagsCol_( irow ) ; |
---|
| 1249 | uInt newsize = nmax - nmin + 1 ; |
---|
| 1250 | specCol_.put( irow, oldspec( Slice( nmin, newsize, 1 ) ) ) ; |
---|
| 1251 | flagsCol_.put( irow, oldflag( Slice( nmin, newsize, 1 ) ) ) ; |
---|
| 1252 | |
---|
| 1253 | return ; |
---|
| 1254 | } |
---|
| 1255 | |
---|
| 1256 | void asap::Scantable::regridChannel( int nChan, double dnu ) |
---|
| 1257 | { |
---|
| 1258 | cout << "Regrid abcissa with channel number " << nChan << " and spectral resoultion " << dnu << "Hz." << endl ; |
---|
| 1259 | // assumed that all rows have same nChan |
---|
| 1260 | Vector<Float> arr = specCol_( 0 ) ; |
---|
| 1261 | int oldsize = arr.nelements() ; |
---|
| 1262 | |
---|
| 1263 | // if oldsize == nChan, nothing to do |
---|
| 1264 | if ( oldsize == nChan ) { |
---|
| 1265 | cout << "Specified channel number is same as current one. Nothing to do." << endl ; |
---|
| 1266 | return ; |
---|
| 1267 | } |
---|
| 1268 | |
---|
| 1269 | // if oldChan < nChan, unphysical operation |
---|
| 1270 | if ( oldsize < nChan ) { |
---|
| 1271 | cout << "Unphysical operation. Nothing to do." << endl ; |
---|
| 1272 | return ; |
---|
| 1273 | } |
---|
| 1274 | |
---|
| 1275 | // change channel number for specCol_ and flagCol_ |
---|
| 1276 | Vector<Float> newspec( nChan, 0 ) ; |
---|
| 1277 | Vector<uChar> newflag( nChan, false ) ; |
---|
| 1278 | vector<string> coordinfo = getCoordInfo() ; |
---|
| 1279 | string oldinfo = coordinfo[0] ; |
---|
| 1280 | coordinfo[0] = "Hz" ; |
---|
| 1281 | setCoordInfo( coordinfo ) ; |
---|
| 1282 | for ( int irow = 0 ; irow < nrow() ; irow++ ) { |
---|
| 1283 | regridChannel( nChan, dnu, irow ) ; |
---|
| 1284 | } |
---|
| 1285 | coordinfo[0] = oldinfo ; |
---|
| 1286 | setCoordInfo( coordinfo ) ; |
---|
| 1287 | |
---|
| 1288 | |
---|
| 1289 | // NOTE: this method does not update metadata such as |
---|
| 1290 | // FREQUENCIES subtable, nChan, Bandwidth, etc. |
---|
| 1291 | |
---|
| 1292 | return ; |
---|
| 1293 | } |
---|
| 1294 | |
---|
| 1295 | void asap::Scantable::regridChannel( int nChan, double dnu, int irow ) |
---|
| 1296 | { |
---|
| 1297 | // logging |
---|
| 1298 | //ofstream ofs( "average.log", std::ios::out | std::ios::app ) ; |
---|
| 1299 | //ofs << "IFNO = " << getIF( irow ) << " irow = " << irow << endl ; |
---|
| 1300 | |
---|
| 1301 | Vector<Float> oldspec = specCol_( irow ) ; |
---|
| 1302 | Vector<uChar> oldflag = flagsCol_( irow ) ; |
---|
| 1303 | Vector<Float> newspec( nChan, 0 ) ; |
---|
| 1304 | Vector<uChar> newflag( nChan, false ) ; |
---|
| 1305 | |
---|
| 1306 | // regrid |
---|
| 1307 | vector<double> abcissa = getAbcissa( irow ) ; |
---|
| 1308 | int oldsize = abcissa.size() ; |
---|
| 1309 | double olddnu = abcissa[1] - abcissa[0] ; |
---|
[1610] | 1310 | //int refChan = 0 ; |
---|
| 1311 | //double frac = 0.0 ; |
---|
| 1312 | //double wedge = 0.0 ; |
---|
| 1313 | //double pile = 0.0 ; |
---|
| 1314 | int ichan = 0 ; |
---|
[1446] | 1315 | double wsum = 0.0 ; |
---|
[1610] | 1316 | Vector<Float> z( nChan ) ; |
---|
| 1317 | z[0] = abcissa[0] - 0.5 * olddnu + 0.5 * dnu ; |
---|
| 1318 | for ( int ii = 1 ; ii < nChan ; ii++ ) |
---|
| 1319 | z[ii] = z[ii-1] + dnu ; |
---|
| 1320 | Vector<Float> zi( nChan+1 ) ; |
---|
| 1321 | Vector<Float> yi( oldsize + 1 ) ; |
---|
| 1322 | zi[0] = z[0] - 0.5 * dnu ; |
---|
| 1323 | zi[1] = z[0] + 0.5 * dnu ; |
---|
| 1324 | for ( int ii = 2 ; ii < nChan ; ii++ ) |
---|
| 1325 | zi[ii] = zi[ii-1] + dnu ; |
---|
| 1326 | zi[nChan] = z[nChan-1] + 0.5 * dnu ; |
---|
| 1327 | yi[0] = abcissa[0] - 0.5 * olddnu ; |
---|
| 1328 | yi[1] = abcissa[1] + 0.5 * olddnu ; |
---|
| 1329 | for ( int ii = 2 ; ii < oldsize ; ii++ ) |
---|
| 1330 | yi[ii] = abcissa[ii-1] + olddnu ; |
---|
| 1331 | yi[oldsize] = abcissa[oldsize-1] + 0.5 * olddnu ; |
---|
| 1332 | if ( dnu > 0.0 ) { |
---|
| 1333 | for ( int ii = 0 ; ii < nChan ; ii++ ) { |
---|
| 1334 | double zl = zi[ii] ; |
---|
| 1335 | double zr = zi[ii+1] ; |
---|
| 1336 | for ( int j = ichan ; j < oldsize ; j++ ) { |
---|
| 1337 | double yl = yi[j] ; |
---|
| 1338 | double yr = yi[j+1] ; |
---|
| 1339 | if ( yl <= zl ) { |
---|
| 1340 | if ( yr <= zl ) { |
---|
| 1341 | continue ; |
---|
| 1342 | } |
---|
| 1343 | else if ( yr <= zr ) { |
---|
| 1344 | newspec[ii] += oldspec[j] * ( yr - zl ) ; |
---|
| 1345 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1346 | wsum += ( yr - zl ) ; |
---|
| 1347 | } |
---|
| 1348 | else { |
---|
| 1349 | newspec[ii] += oldspec[j] * dnu ; |
---|
| 1350 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1351 | wsum += dnu ; |
---|
| 1352 | ichan = j ; |
---|
| 1353 | break ; |
---|
| 1354 | } |
---|
| 1355 | } |
---|
| 1356 | else if ( yl < zr ) { |
---|
| 1357 | if ( yr <= zr ) { |
---|
| 1358 | newspec[ii] += oldspec[j] * ( yr - yl ) ; |
---|
| 1359 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1360 | wsum += ( yr - yl ) ; |
---|
| 1361 | } |
---|
| 1362 | else { |
---|
| 1363 | newspec[ii] += oldspec[j] * ( zr - yl ) ; |
---|
| 1364 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1365 | wsum += ( zr - yl ) ; |
---|
| 1366 | ichan = j ; |
---|
| 1367 | break ; |
---|
| 1368 | } |
---|
| 1369 | } |
---|
| 1370 | else { |
---|
| 1371 | ichan = j - 1 ; |
---|
| 1372 | break ; |
---|
| 1373 | } |
---|
| 1374 | } |
---|
| 1375 | newspec[ii] /= wsum ; |
---|
| 1376 | wsum = 0.0 ; |
---|
| 1377 | } |
---|
[1446] | 1378 | } |
---|
[1610] | 1379 | else if ( dnu < 0.0 ) { |
---|
| 1380 | for ( int ii = 0 ; ii < nChan ; ii++ ) { |
---|
| 1381 | double zl = zi[ii] ; |
---|
| 1382 | double zr = zi[ii+1] ; |
---|
| 1383 | for ( int j = ichan ; j < oldsize ; j++ ) { |
---|
| 1384 | double yl = yi[j] ; |
---|
| 1385 | double yr = yi[j+1] ; |
---|
| 1386 | if ( yl >= zl ) { |
---|
| 1387 | if ( yr >= zl ) { |
---|
| 1388 | continue ; |
---|
| 1389 | } |
---|
| 1390 | else if ( yr >= zr ) { |
---|
| 1391 | newspec[ii] += oldspec[j] * abs( yr - zl ) ; |
---|
| 1392 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1393 | wsum += abs( yr - zl ) ; |
---|
| 1394 | } |
---|
| 1395 | else { |
---|
| 1396 | newspec[ii] += oldspec[j] * abs( dnu ) ; |
---|
| 1397 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1398 | wsum += abs( dnu ) ; |
---|
| 1399 | ichan = j ; |
---|
| 1400 | break ; |
---|
| 1401 | } |
---|
| 1402 | } |
---|
| 1403 | else if ( yl > zr ) { |
---|
| 1404 | if ( yr >= zr ) { |
---|
| 1405 | newspec[ii] += oldspec[j] * abs( yr - yl ) ; |
---|
| 1406 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1407 | wsum += abs( yr - yl ) ; |
---|
| 1408 | } |
---|
| 1409 | else { |
---|
| 1410 | newspec[ii] += oldspec[j] * abs( zr - yl ) ; |
---|
| 1411 | newflag[ii] = newflag[ii] || oldflag[j] ; |
---|
| 1412 | wsum += abs( zr - yl ) ; |
---|
| 1413 | ichan = j ; |
---|
| 1414 | break ; |
---|
| 1415 | } |
---|
| 1416 | } |
---|
| 1417 | else { |
---|
| 1418 | ichan = j - 1 ; |
---|
| 1419 | break ; |
---|
| 1420 | } |
---|
| 1421 | } |
---|
| 1422 | newspec[ii] /= wsum ; |
---|
| 1423 | wsum = 0.0 ; |
---|
[1446] | 1424 | } |
---|
| 1425 | } |
---|
[1610] | 1426 | // * ichan = 0 |
---|
| 1427 | // ***/ |
---|
| 1428 | // //ofs << "olddnu = " << olddnu << ", dnu = " << dnu << endl ; |
---|
| 1429 | // pile += dnu ; |
---|
| 1430 | // wedge = olddnu * ( refChan + 1 ) ; |
---|
| 1431 | // while ( wedge < pile ) { |
---|
| 1432 | // newspec[0] += olddnu * oldspec[refChan] ; |
---|
| 1433 | // newflag[0] = newflag[0] || oldflag[refChan] ; |
---|
| 1434 | // //ofs << "channel " << refChan << " is included in new channel 0" << endl ; |
---|
| 1435 | // refChan++ ; |
---|
| 1436 | // wedge += olddnu ; |
---|
| 1437 | // wsum += olddnu ; |
---|
| 1438 | // //ofs << "newspec[0] = " << newspec[0] << " wsum = " << wsum << endl ; |
---|
| 1439 | // } |
---|
| 1440 | // frac = ( wedge - pile ) / olddnu ; |
---|
| 1441 | // wsum += ( 1.0 - frac ) * olddnu ; |
---|
| 1442 | // newspec[0] += ( 1.0 - frac ) * olddnu * oldspec[refChan] ; |
---|
| 1443 | // newflag[0] = newflag[0] || oldflag[refChan] ; |
---|
| 1444 | // //ofs << "channel " << refChan << " is partly included in new channel 0" << " with fraction of " << ( 1.0 - frac ) << endl ; |
---|
| 1445 | // //ofs << "newspec[0] = " << newspec[0] << " wsum = " << wsum << endl ; |
---|
| 1446 | // newspec[0] /= wsum ; |
---|
| 1447 | // //ofs << "newspec[0] = " << newspec[0] << endl ; |
---|
| 1448 | // //ofs << "wedge = " << wedge << ", pile = " << pile << endl ; |
---|
[1446] | 1449 | |
---|
[1610] | 1450 | // /*** |
---|
| 1451 | // * ichan = 1 - nChan-2 |
---|
| 1452 | // ***/ |
---|
| 1453 | // for ( int ichan = 1 ; ichan < nChan - 1 ; ichan++ ) { |
---|
| 1454 | // pile += dnu ; |
---|
| 1455 | // newspec[ichan] += frac * olddnu * oldspec[refChan] ; |
---|
| 1456 | // newflag[ichan] = newflag[ichan] || oldflag[refChan] ; |
---|
| 1457 | // //ofs << "channel " << refChan << " is partly included in new channel " << ichan << " with fraction of " << frac << endl ; |
---|
| 1458 | // refChan++ ; |
---|
| 1459 | // wedge += olddnu ; |
---|
| 1460 | // wsum = frac * olddnu ; |
---|
| 1461 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << " wsum = " << wsum << endl ; |
---|
| 1462 | // while ( wedge < pile ) { |
---|
| 1463 | // newspec[ichan] += olddnu * oldspec[refChan] ; |
---|
| 1464 | // newflag[ichan] = newflag[ichan] || oldflag[refChan] ; |
---|
| 1465 | // //ofs << "channel " << refChan << " is included in new channel " << ichan << endl ; |
---|
| 1466 | // refChan++ ; |
---|
| 1467 | // wedge += olddnu ; |
---|
| 1468 | // wsum += olddnu ; |
---|
| 1469 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << " wsum = " << wsum << endl ; |
---|
| 1470 | // } |
---|
| 1471 | // frac = ( wedge - pile ) / olddnu ; |
---|
| 1472 | // wsum += ( 1.0 - frac ) * olddnu ; |
---|
| 1473 | // newspec[ichan] += ( 1.0 - frac ) * olddnu * oldspec[refChan] ; |
---|
| 1474 | // newflag[ichan] = newflag[ichan] || oldflag[refChan] ; |
---|
| 1475 | // //ofs << "channel " << refChan << " is partly included in new channel " << ichan << " with fraction of " << ( 1.0 - frac ) << endl ; |
---|
| 1476 | // //ofs << "wedge = " << wedge << ", pile = " << pile << endl ; |
---|
| 1477 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << " wsum = " << wsum << endl ; |
---|
| 1478 | // newspec[ichan] /= wsum ; |
---|
| 1479 | // //ofs << "newspec[" << ichan << "] = " << newspec[ichan] << endl ; |
---|
| 1480 | // } |
---|
| 1481 | |
---|
| 1482 | // /*** |
---|
| 1483 | // * ichan = nChan-1 |
---|
| 1484 | // ***/ |
---|
| 1485 | // // NOTE: Assumed that all spectra have the same bandwidth |
---|
| 1486 | // pile += dnu ; |
---|
| 1487 | // newspec[nChan-1] += frac * olddnu * oldspec[refChan] ; |
---|
| 1488 | // newflag[nChan-1] = newflag[nChan-1] || oldflag[refChan] ; |
---|
| 1489 | // //ofs << "channel " << refChan << " is partly included in new channel " << nChan-1 << " with fraction of " << frac << endl ; |
---|
| 1490 | // refChan++ ; |
---|
| 1491 | // wedge += olddnu ; |
---|
| 1492 | // wsum = frac * olddnu ; |
---|
| 1493 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << " wsum = " << wsum << endl ; |
---|
| 1494 | // for ( int jchan = refChan ; jchan < oldsize ; jchan++ ) { |
---|
| 1495 | // newspec[nChan-1] += olddnu * oldspec[jchan] ; |
---|
| 1496 | // newflag[nChan-1] = newflag[nChan-1] || oldflag[jchan] ; |
---|
| 1497 | // wsum += olddnu ; |
---|
| 1498 | // //ofs << "channel " << jchan << " is included in new channel " << nChan-1 << " with fraction of " << frac << endl ; |
---|
| 1499 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << " wsum = " << wsum << endl ; |
---|
| 1500 | // } |
---|
| 1501 | // //ofs << "wedge = " << wedge << ", pile = " << pile << endl ; |
---|
| 1502 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << " wsum = " << wsum << endl ; |
---|
| 1503 | // newspec[nChan-1] /= wsum ; |
---|
| 1504 | // //ofs << "newspec[" << nChan - 1 << "] = " << newspec[nChan-1] << endl ; |
---|
[1446] | 1505 | |
---|
[1610] | 1506 | // specCol_.put( irow, newspec ) ; |
---|
| 1507 | // flagsCol_.put( irow, newflag ) ; |
---|
[1446] | 1508 | |
---|
[1610] | 1509 | // // ofs.close() ; |
---|
[1446] | 1510 | |
---|
[1610] | 1511 | |
---|
[1446] | 1512 | return ; |
---|
| 1513 | } |
---|
| 1514 | |
---|
| 1515 | } |
---|
| 1516 | //namespace asap |
---|